SkyTimer vs WhatTheFreq
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SkyTimer
This app automatically logs flights, tracks fuel burn, and manages tank levels in real-time from your wrist, phone, or iPad. It provides detailed flight logs and can export data, acting as a cockpit companion for pilots.
- Automatic flight logging
- Real-time fuel tracking
- Multi-tank and engine support
- Worldwide airport database
- Smart fuel balancing
- Detailed flight logs
- Cross-device sync
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SkyTimer automatically logs your flights and tracks fuel burn and tank changes in real time--from your wrist, phone, or iPad. A cockpit companion built to work alongside your EFB. Start a flight with a single tap. SkyTimer records block and flight times, tracks fuel quantity across up to 7 tanks and 4 engines, and logs your departure, arrival, and intermediate stop airports using a built-in worldwide airport database--no Internet required. *** FUEL MANAGEMENT, SIMPLIFIED *** SkyTimer calculates fuel burn, endurance, and remaining quantity on-the-fly using time-on-tanks and your configured burn rates. Update flow rates mid-flight for accuracy as conditions change. - Smart Balance calculates optimal tank timer durations to keep fuel balanced across tanks. - A robust reminder engine alerts you to configuration changes based on time-on-tank, fuel use, or fuel transferred. - Supports a wide range of fuel selectors and transfer switch types for single and multi-engine aircraft. *** AUTOMATIC FLIGHT TRACKING *** Smart Track uses GPS ground speed and your aircraft's Vso stall speed to automatically detect takeoffs and landings--no manual input needed. SkyTimer logs the times and airports for you. *** WORKS ON iPHONE, iPAD, AND APPLE WATCH *** Run SkyTimer on your iPad alongside your EFB in Split View, Windowed or Slide Over. On iPhone, Dynamic Island keeps your timers and fuel data visible even while you're in ForeFlight or Garmin Pilot--like a HUD for your flight data. SkyTimer for Apple Watch gives you full access to every feature right from your wrist, and works standalone if you leave your phone on the ground. Everything stays in sync across devices with iCloud. *** DETAILED FLIGHT LOGS *** Every trip is saved with flight and block times, airports, out/off/on/in times, fuel details, time-on-tanks, and Hobbs or Tach times. Export to CSV or directly to LogTen. Everything syncs across your devices with iCloud. *** FREE TO TRY, EASY TO UPGRADE *** Download SkyTimer for free and start tracking block and flight times at no charge. Unlock everything with SkyTimer Plus: - Fuel Quantity Tracking - Unlimited Flight Storage - Tank Timer Management - Auto-Track Takeoffs & Landings - Multiple Aircraft Profiles - iCloud Sync & Backup - In-flight Phone/Watch/iPad Sync --------------------- Price may vary by location. Subscriptions will be charged to your credit card through your App Store account. Your subscription will automatically renew unless cancelled at least 24 hours before the end of the current period. You will not be able to cancel the subscription once activated. After purchase, you can manage your subscriptions in App Store account settings. --------------------- Privacy Policy: https://skytimer.app/privacy/ Terms of Service: https://skytimer.app/terms/
WhatTheFreq
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WhatTheFreq is a fast flight scratchpad for pilots who want airport frequencies, weather, runway wind context, and quick notes in one place. Enter a route and load the airports you care about in seconds. WhatTheFreq organizes key airport frequencies into clean, easy-to-scan cards so you can quickly reference ATIS, clearance, ground, tower, CTAF, UNICOM, approach, departure, and ASOS/AWOS data without bouncing between tabs or apps. The app also pulls METAR data and turns it into practical at-a-glance guidance. See flight category, wind, visibility, ceiling, and best-runway context with estimated headwind and crosswind components for available runway headings. WhatTheFreq is built for real cockpit workflow: • Load multiple airports in a route • View FAA airport frequency data in a simple card layout • Check live METAR conditions • See VFR, MVFR, IFR, and LIFR status at a glance • Compare runway wind components • Add your own temporary frequencies • Keep scratch notes for remarks, taxi routes, and clearances WhatTheFreq is designed as a lightweight pilot companion for quick reference and situational awareness. Not for primary navigation. Always verify frequencies, weather, and operational information with official sources and current procedures.
Screenshots
Verdict
The clearest difference is in-app purchases: WhatTheFreq at none against SkyTimer's 2. SkyTimer's advantage is update cadence (fortnightly vs every 6 weeks). On price, ads, device support and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. SkyTimer sells 2 in-app purchases, starting at $2.49 per month. WhatTheFreq asks for nothing beyond the download.
SkyTimer ships an update fortnightly, WhatTheFreq every 6 weeks. Both last shipped on October 24, 2026.
| Parameter | SkyTimer | WhatTheFreq |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (22 ratings) — better | — |
| Positive reviews | 53.8% of reviews | — |
| Number of ratings | 22 — better | — |
| Update frequency | Fortnightly — better | Every 6 weeks |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Freemium | — |
| Devices | iPhone, iPad, iPod, Apple Watch — better | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 149 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Framework Learning, LLC | Bitt-Labs Limited Liability Company |
In-app purchases
SkyTimer
- Monthly Plus Subscription$2.491 Month
- Annual Plus Subscription$17.991 Year
WhatTheFreq
No in-app purchases









